Frederick William McNabb III

Frederick William McNabb III: Director at IBM. What Frederick William McNabb III holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.

IBM (IBM)

Frederick William McNabb III holds 9,250 IBM shares (0.00% of the company), worth about $2.1M at the last price, according to the Form 4 of Oct 28, 2020.

• Shares held: 9,250 (0.00%), $2.1M — Held in their own name.

Declarations

• IBM (IBM) — Form 4 of Sep 30, 2026 0001731814-26-000006
• IBM (IBM) — Form 4 of Jun 30, 2026 0001731814-26-000005
• IBM (IBM) — Form 4 of Mar 31, 2026 0001731814-26-000002
• IBM (IBM) — Form 4 of Dec 31, 2025 0001731814-26-000001
• IBM (IBM) — Form 4 of Sep 30, 2025 0001731814-25-000004
• IBM (IBM) — Form 4 of Jun 30, 2025 0001562180-25-005177
• IBM (IBM) — Form 4 of Mar 31, 2025 0001562180-25-002840
• IBM (IBM) — Form 4 of Dec 31, 2024 0001562180-25-000017
• IBM (IBM) — Form 4 of Sep 30, 2024 0001562180-24-007078
• IBM (IBM) — Form 4 of Jun 28, 2024 0001562180-24-005528
• IBM (IBM) — Form 4 of Oct 28, 2020: open-market purchase of 9,250 at $108.01; 9,250 shares after 0001562180-20-006447

Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.

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